Guest Stars Domenique Fragale as Beth Cassini Rupert Vansittart as Lord Broughton Matt Emery as Detective Birch Mark Benton as The Colonel Andrew Havill as Douglas Broome George Dawson as Hague's Assistant Jack Wheatley as Nigel Blodgett Sylvie Briggs as Clara Alison Pargeter as Kindly Old Woman Madeleine Wilson as Lady Whisper Finn Bennett as Pink Shirt Angela Santalbano as Rosa Alex Macqueen as Mr Oldenham Deborah Moore as Fancy Lady James Coombes as Older Gentleman Andy Burse as Pocket Square Matt Brewer as Man Helen Bang as Elegant Lady Michael James as Teen Boy Rosalind Adler as Society Lady